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how do I connect IC1 and U1?
bhagat

bhagat

@copilot how do I connect IC1 and U1?
2y

copilot

To connect IC1 (CP2102N-A02-GQFN28) and U1 (LPC2148FBD64), we'll focus on establishing a USB communication interface since both IC1 and U1 support USB functionalities. The CP2102N serves as a USB-to-UART bridge, facilitating communication between a USB host and the microcontroller U1.
Assumptions:
  • You want to utilize USB communication.
  • Power supply connections and other peripheral connections are outside the scope of this specific question.
USB Connections:
  1. USB Data Lines:
    • Connect IC1 D+ (Pin 4) to U1 D+ (Pin 10).
    • Connect IC1 D- (Pin 5) to U1 D- (Pin 11).
This setup allows U1 to communicate over USB through the CP2102N bridge, enabling data transfer between your computer (or another USB host) and the LPC2148 microcontroller.
Power Supply Considerations:
For the USB interface to work correctly, ensure both IC1 and U1 are powered appropriately. The CP2102N requires a supply on the VDD pin, and the LPC2148 needs power on its VDD pins. Ensure you follow the manufacturer's guidelines for power supply requirements. Additionally, ground connections (GND) should be common between IC1 and U1.
Additional Notes:
  • Ensure that the CP2102N is correctly configured for USB communication according to the Silicon Labs datasheet.
  • The UART interface (RXD and TXD pins) on the LPC2148 can be utilized for further communications if required, but this scenario assumes USB is the primary communication method.
If you need details on connecting other peripherals or require assistance with power supply circuits, feel free to ask!
2y
2
IC1
U1
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